iris: Implement the Gen < 9 tessellation quads workaround

Fixes several CTS tests: - KHR-GL46.tessellation_shader.vertex.vertex_spacing - KHR-GL46.tessellation_shader.tessellation_shader_point_mode.points_verification Fixes: 823609b1a3 ("iris/WIP: add broadwell support")
2019-10-14 01:20:20 -07:00
parent 58286c7969
commit ac7af7c500
1 changed files with 3 additions and 0 deletions
@@ -1230,6 +1230,9 @@ iris_update_compiled_tcs(struct iris_context *ice)
      .tes_primitive_mode = tes_info->tess.primitive_mode,
      .input_vertices =
         !tcs || compiler->use_tcs_8_patch ? ice->state.vertices_per_patch : 0,
+      .quads_workaround = devinfo->gen < 9 &&
+                          tes_info->tess.primitive_mode == GL_QUADS &&
+                          tes_info->tess.spacing == TESS_SPACING_EQUAL,
   };
   get_unified_tess_slots(ice, &key.outputs_written,
                          &key.patch_outputs_written);